Diesel aircraft engines promise lower fuel burn and cheaper operating costs at a time when every gallon and every kilogram matter in the air. Yet as manufacturers push these powerplants into more ...

Alaska’s reliance on aviation to meet basic human needs is unparalleled in the United States. A staggering 82% of our communities are situated beyond the road system, making air transportation the ...

Forbes contributors publish independent expert analyses and insights. Jim Gorzelany is a veteran automotive journalist. A funny thing happened on the way to an all-electric car future. More American ...

Fuel blended with 20% ethanol is safe to use, an executive at Indian SUV maker Mahindra & Mahindra said on Thursday as the country rolls out E20 in a clean energy drive, but he added that vehicles ...